Base | Representation |
---|---|
bin | 11010011111000… |
… | …001110010110111 |
3 | 1010222002212212001 |
4 | 122133001302313 |
5 | 1402222411211 |
6 | 112031440131 |
7 | 14003561032 |
oct | 3237016267 |
9 | 1128085761 |
10 | 444341431 |
11 | 208901326 |
12 | 104986047 |
13 | 71098231 |
14 | 43028019 |
15 | 29021ac1 |
hex | 1a7c1cb7 |
444341431 has 4 divisors (see below), whose sum is σ = 453795552. Its totient is φ = 434887312.
The previous prime is 444341371. The next prime is 444341459. The reversal of 444341431 is 134143444.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 444341431 - 211 = 444339383 is a prime.
It is a super-2 number, since 2×4443414312 = 394878614606255522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 444341431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (444345431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4726990 + ... + 4727083.
It is an arithmetic number, because the mean of its divisors is an integer number (113448888).
Almost surely, 2444341431 is an apocalyptic number.
444341431 is a deficient number, since it is larger than the sum of its proper divisors (9454121).
444341431 is an equidigital number, since it uses as much as digits as its factorization.
444341431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9454120.
The product of its digits is 9216, while the sum is 28.
The square root of 444341431 is about 21079.4077478472. The cubic root of 444341431 is about 763.0838633345.
Adding to 444341431 its reverse (134143444), we get a palindrome (578484875).
The spelling of 444341431 in words is "four hundred forty-four million, three hundred forty-one thousand, four hundred thirty-one".
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